Rule #1  The dog is not allowed in the house.

Rule #2  Okay, the dog is allowed in the house, but only in certain rooms.

Rule #3  The dog is allowed in all rooms, but she has to stay off the furniture.

Rule #4  The dog can get on the old furniture only.

Rule #5  Fine, the dog is allowed on all the furniture, but she is not allowed to sleep with the humans on the bed.

Rule #6  Okay, the dog is allowed on the bed, but only by invitation.

Rule #7  The dog can sleep on the bed whenever she wants, but not under the covers.

Rule #8  The dog can sleep under the covers by invitation only.

Rule #9  The dog can sleep under the covers every night.

Rule #10  Humans must ask permission to sleep under the covers with the dog.